package org.wiztools.gaewebtester;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author subwiz
 */
public class ViewServlet extends HttpServlet {

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // Set the headers:
        response.setContentType("text/html");
        response.setCharacterEncoding("UTF-8");
        
        // Get the key from the Url:
        final String pathInfo = request.getPathInfo();
        if(pathInfo == null || pathInfo.equals("/")) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        
        final String key = pathInfo.substring(1);
        
        // Get from cache:
        final String value = CacheUtil.get(key);
        if(value == null) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        
        PrintWriter out = response.getWriter();
        out.print(value);
        out.close();
    }


    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
